Alexandra Gabrielle Hahn Waldenmaier, MD
General Surgery (CMS) · Dallas, TX
At a glance
8230 Walnut Hill Ln Ste 320, Dallas, TX 75231-4481
Published activity: Colonoscopy · Hernia repair - groin (open) · Removal of tissue. View counts and coverage
NPPES record updated Nov 1, 2023. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
8230 Walnut Hill Ln Ste 320Dallas, TX 75231-4481
Additional reported practice locations
5200 Harry Hines BlvdDallas, TX 752357709
Phone: 4848886897 1230 Louisiana Ave
New Orleans, LA 701152433
Phone: 4848886897
Education & affiliations
- Medical / professional school
- Tulane University School Of Medicine
- Graduation year
- 2017
- CMS specialties
- General Surgery
Practice groups
Reported hospital affiliations
- Texas Health Presbyterian Hospital Dallas Dallas, TX
- Texas Health Presbyterian Hospital Kaufman Kaufman, TX
- Texas Health Presbyterian Hospital Rockwall Rockwall, TX
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Colonoscopy | 1-10 |
| Hernia repair - groin (open) | 1-10 |
| Removal of tissue | 1-10 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $102.01 |
Reporting companies
| Company | Amount |
|---|---|
| ETHICON US, LLC | $37.41 |
| OCTAPHARMA USA, INC. | $22.88 |
| ACERA SURGICAL, INC. | $22.57 |
| AVITA MEDICAL AMERICAS, LLC | $19.15 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- General Surgery (CMS)
- Taxonomy code
- 2086S0102X
- Enumeration date
- May 4, 2017
- Record updated
- Nov 1, 2023
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- ALEXANDRA GABRIELLE HAHN
- Reported credentials
- MD
Reported taxonomies and licenses
208600000X
License reported: BP10078047 TX
390200000X
2086S0102X · Primary
License reported: U3865 TX
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
8230 Walnut Hill Ln Ste 320Dallas, TX 75231-4481
- Phone
- (214) 369-5432
Mailing address
3212 LINDBERGH DRDALLAS, TX 752285439
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
Report a directory issue